Patent US2563459A successfully refreshed from Google Patents.
US2563459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride-alkoxymethoxyalkyl
Assignee: —
•
Filing: —
•
Granted: 1951-08-07
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:41
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C08F16/00; C08F16/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
48 words
POLYMERIC MATERIAL COMPRISING THE COPOLYMERIZATION PRODUCT OF VINYL CHLORIDE AND AN ALKOXYMETHOXYALKYL VINYL ETHER OF THE FORMULA R-O-CH2-O-R''-OCH=CH2, WHEREIN R IS AN ALKYL RADICAL CONTAINING FROM 1 TO 15 CARBON ATOMS, INCLUSIVE, AND R'' IS A BIVALENT ACYCLIC HYDROCARBON RADICAL CONTAINING FROM 2 TO 7 CARBON ATOMS, INCLUSIVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |